54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
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let flexSpec = require('./flex-spec')
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let Declaration = require('../declaration')
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class FlexFlow extends Declaration {
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/**
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* Use two properties for 2009 spec
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*/
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insert(decl, prefix, prefixes) {
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let spec
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;[spec, prefix] = flexSpec(prefix)
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if (spec !== 2009) {
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return super.insert(decl, prefix, prefixes)
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}
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let values = decl.value
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.split(/\s+/)
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.filter(i => i !== 'wrap' && i !== 'nowrap' && 'wrap-reverse')
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if (values.length === 0) {
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return undefined
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}
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let already = decl.parent.some(
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i =>
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i.prop === prefix + 'box-orient' || i.prop === prefix + 'box-direction'
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)
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if (already) {
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return undefined
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}
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let value = values[0]
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let orient = value.includes('row') ? 'horizontal' : 'vertical'
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let dir = value.includes('reverse') ? 'reverse' : 'normal'
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let cloned = this.clone(decl)
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cloned.prop = prefix + 'box-orient'
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cloned.value = orient
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if (this.needCascade(decl)) {
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cloned.raws.before = this.calcBefore(prefixes, decl, prefix)
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}
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decl.parent.insertBefore(decl, cloned)
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cloned = this.clone(decl)
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cloned.prop = prefix + 'box-direction'
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cloned.value = dir
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if (this.needCascade(decl)) {
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cloned.raws.before = this.calcBefore(prefixes, decl, prefix)
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}
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return decl.parent.insertBefore(decl, cloned)
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}
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}
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FlexFlow.names = ['flex-flow', 'box-direction', 'box-orient']
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module.exports = FlexFlow
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